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PBT (polybutylene terephthalate)

It can be used at higher temperatures, and fibreglass reinforced PBT provides even better heat resistance. PBT has good UV and weather resistance and also good sliding properties, which means it is often found in cars. The material is suitable for metallising. The above properties mean that PBT is suitable for products such as downlights, where high temperatures occur and there is a need for metallised reflective surfaces.